Display an interactive Plotly chart.

Plotly is a charting library for Python. The arguments to this function closely follow the ones for Plotly's plot() function. You can find more about Plotly at https://plot.ly/python.

To show Plotly charts in Streamlit, call st.plotly_chart wherever you would call Plotly's py.plot or py.iplot.

Function signature

st.plotly_chart(figure_or_data, use_container_width=False, sharing="streamlit", theme="streamlit", **kwargs)

Parameters

figure_or_data (plotly.graph_objs.Figure, plotly.graph_objs.Data,)

dict/list of plotly.graph_objs.Figure/Data

See https://plot.ly/python/ for examples of graph descriptions.

use_container_width (bool)

If True, set the chart width to the column width. This takes precedence over the figure's native width value.

sharing ({'streamlit', 'private', 'secret', 'public'})

Use 'streamlit' to insert the plot and all its dependencies directly in the Streamlit app using plotly's offline mode (default). Use any other sharing mode to send the chart to Plotly chart studio, which requires an account. See https://plot.ly/python/chart-studio/ for more information.

theme ("streamlit" or None)

The theme of the chart. Currently, we only support "streamlit" for the Streamlit defined design or None to fallback to the default behavior of the library.

**kwargs (null)

Any argument accepted by Plotly's plot() function.

Example

The example below comes straight from the examples at https://plot.ly/python:

import streamlit as st
import numpy as np
import plotly.figure_factory as ff

# Add histogram data
x1 = np.random.randn(200) - 2
x2 = np.random.randn(200)
x3 = np.random.randn(200) + 2

# Group data together
hist_data = [x1, x2, x3]

group_labels = ['Group 1', 'Group 2', 'Group 3']

# Create distplot with custom bin_size
fig = ff.create_distplot(
        hist_data, group_labels, bin_size=[.1, .25, .5])

# Plot!
st.plotly_chart(fig, use_container_width=True)
(view standalone Streamlit app)

Plotly charts are displayed using the Streamlit theme by default. This theme is sleek, user-friendly, and incorporates Streamlit's color palette. The added benefit is that your charts better integrate with the rest of your app's design.

The Streamlit theme is available from Streamlit 1.16.0 through the theme="streamlit" keyword argument. To disable it, and use Plotly's native theme, use theme=None instead.

Let's look at an example of charts with the Streamlit theme and the native Plotly theme:

import plotly.express as px
import streamlit as st

df = px.data.gapminder()

fig = px.scatter(
    df.query("year==2007"),
    x="gdpPercap",
    y="lifeExp",
    size="pop",
    color="continent",
    hover_name="country",
    log_x=True,
    size_max=60,
)

tab1, tab2 = st.tabs(["Streamlit theme (default)", "Plotly native theme"])
with tab1:
    # Use the Streamlit theme.
    # This is the default. So you can also omit the theme argument.
    st.plotly_chart(fig, theme="streamlit", use_container_width=True)
with tab2:
    # Use the native Plotly theme.
    st.plotly_chart(fig, theme=None, use_container_width=True)

Click the tabs in the interactive app below to see the charts with the Streamlit theme enabled and disabled.

(view standalone Streamlit app)

If you're wondering if your own customizations will still be taken into account, don't worry! You can still make changes to your chart configurations. In other words, although we now enable the Streamlit theme by default, you can overwrite it with custom colors or fonts. For example, if you want a chart line to be green instead of the default red, you can do it!

Here's an example of an Plotly chart where a custom color scale is defined and reflected:

import plotly.express as px
import streamlit as st

st.subheader("Define a custom colorscale")
df = px.data.iris()
fig = px.scatter(
    df,
    x="sepal_width",
    y="sepal_length",
    color="sepal_length",
    color_continuous_scale="reds",
)

tab1, tab2 = st.tabs(["Streamlit theme (default)", "Plotly native theme"])
with tab1:
    st.plotly_chart(fig, theme="streamlit", use_conatiner_width=True)
with tab2:
    st.plotly_chart(fig, theme=None, use_conatiner_width=True)

Notice how the custom color scale is still reflected in the chart, even when the Streamlit theme is enabled 👇

(view standalone Streamlit app)

For many more examples of Plotly charts with and without the Streamlit theme, check out the plotly.streamlit.app.

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